Variation Characteristics of the Main Hydrochemical Indexes in Typical Subterranean Rivers in the South China Karst Region Based on Curve Fitting

Table 6

Correlation analysis of the main hydrochemical indexes.

	Ec	K^+	Na^+	Ca^2+	Mg^2+	Cl^-
Ec	1
K^+		1
Na^+			1
Ca^2+			0.316	1
Mg^2+			-0.029	0.09	1
Cl^-				0.385	0.154	1
				0.349	-0.264		1
		-0.004					-0.196	1
					0.034				1

Note. indicates a significant correlation at the 0.05 level, indicates a significant correlation at the 0.01 level (bilateral), and h=22.